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forum threadSUCHaDEAL posted Nov 21, 2025 02:47 AM
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forum threadSUCHaDEAL posted Nov 21, 2025 02:47 AM

Offce Depot: Live 11/27 online, 11/28 in store APC Back-UPS BN450M Battery Backup, 6 Outlet, 450VA/255W $50 Shipped

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price will be $49.99 on 11/27 can pay with rewards
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price will be $49.99 on 11/27 can pay with rewards

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Model: APC APC BackUPS 6 Outlets 450VA 255W 6-Outlet 180 Joules 255-Watt 450Va Indoor AC Surge Protector with Battery Backup in Black | BN450M

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Nov 21, 2025 02:55 AM
351 Posts
Joined Jan 2012
JLDFNov 21, 2025 02:55 AM
351 Posts
Even with this sale, it's too expensive for what it is. Current prices are nuts.
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Nov 21, 2025 02:57 AM
23,758 Posts
Joined Jul 2006
SUCHaDEALNov 21, 2025 02:57 AM
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23,758 Posts
Quote from JLDF :
Even with this sale, it's too expensive for what it is. Current prices are nuts.
Deals aren't based on what was, but what is. I have to eat, do I stop buying food because the same items cost me $65 now that were $45 4 years ago? If you need it, you need it so you look for the best deal available currently.
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Nov 22, 2025 05:36 PM
21 Posts
Joined Feb 2011
sfsi02Nov 22, 2025 05:36 PM
21 Posts
I buy these on Black Friday every few years. Although some will say that the battery cannot be replaced, I always found it easy to do just that--the cells last about 3-4 years and cost around 30-40 shipped to replace with new.

This size is PERFECT if you have a pc or nas and a power generator--keeps me from losing data between the time the power goes out and the generator kicks in :thumbs-up:
Nov 22, 2025 05:42 PM
3,405 Posts
Joined May 2008
compusascamNov 22, 2025 05:42 PM
3,405 Posts
This is not hot deal which is what this forum is for. Thumb down!
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Nov 24, 2025 12:47 AM
158 Posts
Joined Sep 2012
combatplane57Nov 24, 2025 12:47 AM
158 Posts
Quote from sfsi02 :
I buy these on Black Friday every few years. Although some will say that the battery cannot be replaced, I always found it easy to do just that--the cells last about 3-4 years and cost around 30-40 shipped to replace with new.
Where do you get the replacement cells from? TIA
Dec 01, 2025 03:54 AM
91 Posts
Joined May 2009
monuttzzDec 01, 2025 03:54 AM
91 Posts
Quote from combatplane57 :
Where do you get the replacement cells from? TIA
Amazon or eBay. I replaced mine with lithium iron phosphate and those can last 10 years.
Dec 02, 2025 04:07 AM
158 Posts
Joined Sep 2012
combatplane57Dec 02, 2025 04:07 AM
158 Posts
Quote from monuttzz :
Amazon or eBay. I replaced mine with lithium iron phosphate and those can last 10 years.
I recall reading that one should NOT do that since the cell chemistry is different and you run the risk of causing a fire or damaging the lithium iron phosphate battery using it in a UPS designed for lead acid cells. Did you follow some sort of guide to make sure it was safe?

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Dec 02, 2025 06:05 AM
91 Posts
Joined May 2009
monuttzzDec 02, 2025 06:05 AM
91 Posts
Quote from combatplane57 :
I recall reading that one should NOT do that since the cell chemistry is different and you run the risk of causing a fire or damaging the lithium iron phosphate battery using it in a UPS designed for lead acid cells. Did you follow some sort of guide to make sure it was safe?
You are right to be cautious but I followed this thread on reddit. Lots of good advice there. https://www.reddit.com/r/batteries/s/PHAkuab9MJ
Also, LiFePo4 batteries are considered to be fire safe because they have a very stable chemistry and a very low rate of thermal runaway.

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